Li (I) Selective Adsorption by Means of Organic Resins Imprinted with Fluorine-containing β-Diketone and Neutral Phosphorus Compound

Abstract

Li (I) selective organic resins are prepared by a surface molecular imprinting technique. Fluorine-containing β-diketoue and neutral phosphorus compound were used as the functional host, and divinylbenzene as the cross-linking agent. Li (I) forms a complex with the functional molecules at the oil-water interface of W/O emulsions, and Li (I) complex is imprinted on the surface of organic resins after the oil phase in the W/O emulsions is polymerized. Our resins exhibited high adsorption ability towards target Li (I) over Na (I) . Fluorine of the functional molecule, β-diketone, played an important role in Li (I) adsorption.